All Guides & Tutorials

HTML – Sign in with Email/Phone

React – Sign in with Email/Phone

React – WebAuthn

▲ Next.js

Angular

Webflow

Bubble.io

Python SDK for a CLI

React Native – Sign in with Device

iOS – Sign in with Device

Flutter – Sign in with Device

Web

React Native

Flutter

iOS

Android

Python (for CLI)

API for Other Mobile Apps or CLI

Backend: Handling Response

Only Allow Your Website/App to Use Your API Key

Rate Limit

Enable reCAPTCHA to Protect Against Automated Abuse

Cotter's OAuth 2.0 Tokens Specification

Getting the Tokens

Storing and Removing Tokens

Renewing Expired Tokens

Verifying JWT Tokens

Requesting Custom Fields on your JWT Token

Older API

User API

OAuth Tokens API

OAuth Tokens from Social Login

Event Object

Reset PIN API

Validating Cotter's Identity Token

Validating Cotter's Event Response